package com.bxx.controller;


import com.bxx.service.UserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class UserController {

    @RequestMapping("/hello")
    @ResponseBody
    public String hello(){
        System.out.println("UserController.hello()");
        return "hello world";
    }

    /**
     * 测试 thymeleaf
     *
     */
    @RequestMapping("/testThymeleaf")
    public String testThymeleaf(Model model){
        model.addAttribute("name", "buxiaoxing");
        return "test";
    }

    @RequestMapping("/add")
    public String add(){
        return "user/add";
    }

    @RequestMapping("/update")
    public String update(){
        return "user/update";
    }

    @RequestMapping("/toLogin")
    public String toLogin(){
        return "login";
    }

    @RequestMapping("/login")
    public String login(String username, String password, Model model){
        /**
         * 使用 Shiro 编写认证操作
          */

        // 1.获取Subject
        Subject subject = SecurityUtils.getSubject();

        // 2.封装用户数据
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);

        // 3.执行登录方法
        try{
            subject.login(token);
            return "redirect:/testThymeleaf";    //redirect重定向请求
        }catch (UnknownAccountException e){
            //登录失败：用户名不存在
            model.addAttribute("msg", "用户名不存在");
            return "login";
        }catch(IncorrectCredentialsException e){
            //登录失败：密码错误
            model.addAttribute("msg", "密码错误");
            return "login";
        }
    }
}
